Foley Catheters

 
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Foley catheters, also referred to simply as indwelling catheters, are meant for those who require continuous catheterization. The catheter is inserted into the urinary bladder and left there for a long time. Foley catheters are used in almost all cases wherever indwelling catheters are required. Most of them have a double-lumen design and are known as two-way Foley catheters. There are some called three-way Foley catheters because they have a third rubber tubing used for continuous flushing of the bladder. At HPFY, we have different types of indwelling Foley catheters from experienced brands like Lubricath, Rusch, Kendall, Bardex, etc. which are cost effective and reliable.

How do Foley Catheters work?

An indwelling Foley catheter is inserted into the bladder and held in place through a balloon which is placed in the bladder and then inflated by injecting sterile water into it. One end of the indwelling catheter which is inserted into the bladder has the balloon at its tip while the other end has two or three channels/lumens. One connects to a urinary drainage bag while the other has a valve attached. Through this sterile water is injected to inflate the balloon. The balloon remains inside the bladder and prevents the catheter from slipping out of the body.

When the catheter has to be withdrawn, the water is pulled out of the balloon with the help of a syringe and the tubing removed easily. Basically there are two different types of Foley catheters – urethral and suprapubic catheters. A urethral catheter is inserted into the bladder while a supra-pubic Foley catheter involves placing the catheter into the bladder through a small cut in the abdomen.

How to choose an Indwelling Catheter?

Indwelling Foley catheter types are several and will depend on your individual needs. Factors that will decide your selection include gender, period of usage, material sensitivity. You also have choose from type, size, length, material and usage.

1. Types of Foley Catheters

The 2 way Foley catheters or double lumen Foley catheters come with two lumens, one to drain urine and the other to inflate or deflate the balloon. On the other hand, 3 way Foley catheters feature an extra lumen to provide continuous bladder irrigation or instill medications.

2. Size of the Foley Catheter

The common sizes of Foley catheters are in the range of 10 FR to 28 FR. Your medical professional can best suggest you that which catheter size will work best for you.

3. Foley Catheter Length

Length of a Foley catheter differs in males, females and pediatrics. Men need longer tubing and this is usually between 40 and 45 cm. For female the standard length is 25 cm.

4. Foley Catheter Material

Foley catheters are generally made from silicone rubber or latex natural/rubber. The latter is cheaper but usually avoided because the user can be prone to infections due to latex and it can also cause hypersensitive reactions. Then there are silicone-latex catheters which are essentially latex but with silicone coating. It lasts between one and two weeks. Catheters made exclusively of silicone are expensive but popular for Foley catheterization. They are safer and securer in comparison and last longer, for up to 6 to 8 weeks, but they are more rigid.

5. Period of Catheter Usage

Your catheter choice will also depend on your usage. Whether you need for the short term of up to two weeks, or long term for up to three months. 

  • Short-Term Foley Catheters: Short-term Foley catheters are generally used during surgeries and the post-surgery period, to provide relief from short-term urinary retention, for administration of medication into the bladder or to monitor urine output. These may be made of PVC or latex or Teflon-coated latex.

  • Long-Term Foley Catheters: Long-term Foley catheters are used in cases where the patient is bed-ridden, has a chronic illness and unable to pass urine the normal way. Situations include severe urinary incontinence, bladder outlet obstruction and chronic urine retention because of a neurological disease or injury. These catheters are made of silicone, silicone-elastomer coated latex, hydrophilic-polymer coated latex, silver-alloy coated catheters and more.

6. Foley Catheter Tips

Foley catheters have different types of tips. Coude tip Foley catheters have a bent tip to allow for easy maneuvering through the urethra and into the bladder. An example is the Medtronic Covidien Dover catheter which is two-way and silicone with 30cc balloon capacity. Then there are round tip Foley catheters like the 2-way silicone Foley catheter from Bard, straight tip Foley catheters like Medline’s straight tip which is a three-way, silicone-elastomer coated, latex catheter. Also available are olive tip Foley catheters like the Bard Bardex lubricath, or funnel end Foley catheters like the four-wing tip Malecot catheter from Rusch.


The variety can be confusing and mind-boggling but based on your medical condition and the doctor’s recommendation it is easy to shortlist the options and then pick one that offers all the features and options you need.


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